Unverified Commit bc1100f2 authored by Syed Saba Kareem's avatar Syed Saba Kareem Committed by Mark Brown
Browse files

ASoC: amd: add RPL Platform pci driver pm-ops 



Add RPL Platform ACP PCI driver pm ops.

Signed-off-by: default avatarSyed Saba Kareem <Syed.SabaKareem@amd.com>
Reviewed-by: default avatarVijendar Mukunda <Vijendar.Mukunda@amd.com>
Link: https://lore.kernel.org/r/20220721061035.91139-4-Syed.SabaKareem@amd.com


Signed-off-by: default avatarMark Brown <broonie@kernel.org>
parent 10599205

sound/soc/amd/rpl/rpl-pci-acp6x.c

+40 −0
Original line number Diff line number Diff line
@@ -10,6 +10,7 @@ 
#include <linux/io.h>

#include <linux/delay.h>

#include <linux/platform_device.h>

#include <linux/pm_runtime.h>



#include "rpl_acp6x.h"
@@ -144,6 +145,11 @@ static int snd_rpl_probe(struct pci_dev *pci, 
	ret = rpl_init(adata->acp6x_base);

	if (ret)

		goto release_regions;

	pm_runtime_set_autosuspend_delay(&pci->dev, ACP_SUSPEND_DELAY_MS);

	pm_runtime_use_autosuspend(&pci->dev);

	pm_runtime_put_noidle(&pci->dev);

	pm_runtime_allow(&pci->dev);



	return 0;

release_regions:

	pci_release_regions(pci);
@@ -153,6 +159,35 @@ static int snd_rpl_probe(struct pci_dev *pci, 
	return ret;

}



static int __maybe_unused snd_rpl_suspend(struct device *dev)

{

	struct rpl_dev_data *adata;

	int ret;



	adata = dev_get_drvdata(dev);

	ret = rpl_deinit(adata->acp6x_base);

	if (ret)

		dev_err(dev, "ACP de-init failed\n");

	return ret;

}



static int __maybe_unused snd_rpl_resume(struct device *dev)

{

	struct rpl_dev_data *adata;

	int ret;



	adata = dev_get_drvdata(dev);

	ret = rpl_init(adata->acp6x_base);

	if (ret)

		dev_err(dev, "ACP init failed\n");

	return ret;

}



static const struct dev_pm_ops rpl_pm = {

	SET_RUNTIME_PM_OPS(snd_rpl_suspend, snd_rpl_resume, NULL)

	SET_SYSTEM_SLEEP_PM_OPS(snd_rpl_suspend, snd_rpl_resume)

};



static void snd_rpl_remove(struct pci_dev *pci)

{

	struct rpl_dev_data *adata;
@@ -162,6 +197,8 @@ static void snd_rpl_remove(struct pci_dev *pci) 
	ret = rpl_deinit(adata->acp6x_base);

	if (ret)

		dev_err(&pci->dev, "ACP de-init failed\n");

	pm_runtime_forbid(&pci->dev);

	pm_runtime_get_noresume(&pci->dev);

	pci_release_regions(pci);

	pci_disable_device(pci);

}
@@ -179,6 +216,9 @@ static struct pci_driver rpl_acp6x_driver = { 
	.id_table = snd_rpl_ids,

	.probe = snd_rpl_probe,

	.remove = snd_rpl_remove,

	.driver = {

		.pm = &rpl_pm,

	}

};



module_pci_driver(rpl_acp6x_driver);

sound/soc/amd/rpl/rpl_acp6x.h

+15 −0
Original line number Diff line number Diff line
@@ -10,6 +10,21 @@ 
#define ACP_DEVICE_ID 0x15E2

#define ACP6x_PHY_BASE_ADDRESS 0x1240000



#define ACP_SOFT_RESET_SOFTRESET_AUDDONE_MASK   0x00010001

#define ACP_PGFSM_CNTL_POWER_ON_MASK    1

#define ACP_PGFSM_CNTL_POWER_OFF_MASK   0

#define ACP_PGFSM_STATUS_MASK           3

#define ACP_POWERED_ON                  0

#define ACP_POWER_ON_IN_PROGRESS        1

#define ACP_POWERED_OFF                 2

#define ACP_POWER_OFF_IN_PROGRESS       3



#define DELAY_US        5

#define ACP_COUNTER     20000



/* time in ms for runtime suspend delay */

#define ACP_SUSPEND_DELAY_MS    2000



static inline u32 rpl_acp_readl(void __iomem *base_addr)

{

	return readl(base_addr - ACP6x_PHY_BASE_ADDRESS);